Instruction/ maintenance manual of the product IDEALARC R3R 375-I Lincoln Electric
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IDEALARC ® R3R 375-I, 500-I AND 600-I OPERA T OR’S MANUAL IM410-D June, 2009 Safety Depends on Y ou Lincoln arc welding and cutting equipment is designed and built with safety in mind. However , your overall safety can be increased by proper installation .
i SAFETY i FOR ENGINE powered equipment. 1.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors.
ii SAFETY ii ARC R A Y S can bur n. 4.a. Use a shield with the proper f ilter and co ver plates t o prot ect your e yes fr om sparks and the ra ys of the ar c when welding or observing open arc welding . Headshield and filter lens should conform to ANSI Z87 .
iii SAFETY iii IDEALARC® R3R 375-I, 500-I AND 600-I FOR ELECTRIC ALL Y pow ered equipment. 8.a. T urn off input po wer using the disconnect switch at the fuse bo x before w orking on the equipment. 8.b . Install equipment in accordance with the U .S.
iv SAFETY iv Mar . ‘93 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L ’Arc 1.
v v Thank Y ou f or selecting a QU ALITY product b y Lincoln Electric. We want y ou to t ake pride in operating this Lincoln Electric Compan y product ••• as much pride as we hav e in br inging this product t o you! Read this Oper ators Manual complet ely bef ore at tempting to use this equipment.
vi T ABLE OF CONTENTS IDEALARC® R3R 375-I, 500-I AND 600-I vi Page I n s t a l l a t i o n .........................................................S e c t i o nA I n p u t P o w e r C o n n e c t i o n ...............................................
A-1 INST ALLA TION IDEALARC® R3R 375-I, 500-I AND 600-I A-1 INST ALLA TION F ALLING EQUIPMENT can cause injury . • Do not lift this machine using lift bail if it is equipped with a heavy • accessory such as trailer or gas cylinder . • Lift only with equipment of adequate lifting capacity .
B-1 OPERA TION B-1 OPERA TION ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet cloth- ing. • Insulate yourself from work and ground. • Always wear dry insulating gloves. FUMES AND GASES can be danger- ous.
B-2 OPERA TION B-2 B. ARC FORCE CONTROL DIAL Arc Force Increase/Decrease of Arc Force C. OUTPUT CURRENT CONTROL DIAL Output Current D. OUTPUT CURRENT CONTROL RANGE SWITCH (R3R 500-I and R3R 600-I only) Output Current Control Dial Range A Output Current Control Dial Range B E.
C-1 ACCESSORIES C-1 OPTIONAL EQUIPMENT K857 – REMOTE CURRENT CONTROL The K857 consists of a control box with 8.5 m (28 ft) of four conductor cable and a 6 pin Amphenol for easy connection to the front of the power source.
D-1 MAINTENANCE D-1 ELECTRIC SHOCK can kill. • Have an electrician install and ser- vice this equipment. • T urn the input power off at the fuse box before working on equipment. • Do not touch electrically hot parts. ROUTINE MAINTENANCE 1. The fan motor has sealed bearings which require no service.
E-1 TROUBLESHOOTING E-1 IDEALARC® R3R 375-I, 500-I AND 600-I If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely , contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
E-2 TROUBLESHOOTING E-2 IDEALARC® R3R 375-I, 500-I AND 600-I Observe all Safety Guidelines detailed througout this manual If for any reason you do not understand the test procedures or are unable to .
E-3 TROUBLESHOOTING E-3 IDEALARC® R3R 375-I, 500-I AND 600-I Observe all Safety Guidelines detailed througout this manual If for any reason you do not understand the test procedures or are unable to .
E-4 TROUBLESHOOTING E-4 IDEALARC® R3R 375-I, 500-I AND 600-I Observe all Safety Guidelines detailed througout this manual If for any reason you do not understand the test procedures or are unable to .
E-5 TROUBLESHOOTING E-5 IDEALARC® R3R 375-I, 500-I AND 600-I Observe all Safety Guidelines detailed througout this manual If for any reason you do not understand the test procedures or are unable to .
E-6 TROUBLESHOOTING E-6 IDEALARC® R3R 375-I, 500-I AND 600-I Observe all Safety Guidelines detailed througout this manual If for any reason you do not understand the test procedures or are unable to .
E-7 TROUBLESHOOTING E-7 IDEALARC® R3R 375-I, 500-I AND 600-I Low output, low OCV , or erratic welding T urn control dial to minimum Check OCV OCV is 35-55V OCV is 40-45V OCV is 0 Rated OCV but OCV le.
E-8 TROUBLESHOOTING E-8 TROUBLESHOOTING PROCEDURES A. PROCEDURE FOR REPLACING PC BOARDS When a PC board is to be replaced, the following procedure must be followed: 1. Visually inspect PC board in question. Are any of the components damaged? Is a conductor on the back side of the board damaged? a.
E-9 TROUBLESHOOTING E-9 (high resistance value). This indicates that the capacitor in the snubber circuit is taking a charge. 3. If the needle stays to the right, the capacitor is shorted and the assembly is defective. 4. If the needle does not move, the capacitor is open and the assembly is defective.
E-10 TROUBLESHOOTING E-10 2. POWER DIODE TEST a. Establish the polarity of the ohmmeter leads and set to X10 scale. b. Connect the ohmmeter positive lead to anode and negative lead to the cathode. c. Reverse the leads of the ohmmeter from Step b. d. A shorted diode will indicate zero or an equal- ly low resistance in both directions.
F-1 WIRING DIAGRAMS F-1 IDEALARC® R3R 375-I, 500-I AND 600-I NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.
F-2 WIRING DIAGRAMS IDEALARC® R3R 375-I, 500-I AND 600-I F-2 NOTE: This diagram is for reference only . It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.
F-3 WIRING DIAGRAMS IDEALARC® R3R 375-I, 500-I AND 600-I F-3 R3R 375-I, 500-I and 600-I K817 or K817R (K841 not shown) Part No. T ype AB C D F G H M12244-7 R3R 32.
IDEALARC® R3R 375-I, 500-I AND 600-I W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF ACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.
IDEALARC® R3R 375-I, 500-I AND 600-I W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE P ARA ESTE EQUIP AMENTO E AS P ARTES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR.
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If you already are a holder of Lincoln Electric IDEALARC R3R 375-I, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lincoln Electric IDEALARC R3R 375-I.
However, one of the most important roles played by the user manual is to help in solving problems with Lincoln Electric IDEALARC R3R 375-I. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lincoln Electric IDEALARC R3R 375-I along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
